CI: Upgrade "actions/(checkout|cache)" to version 2 (#41336)

* CI: Upgraded version of "actions/checkout"

* CI: Upgraded version of "actions/cache"

* Added fetch-depth: 0

Co-authored-by: ShaharNaveh <>

Author: ShaharNaveh

.github/workflows/ci.yml

@@ -22,7 +22,9 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
 
     - name: Looking for unwanted patterns
       run: ci/code_checks.sh patterns
@@ -94,7 +96,9 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
 
     - name: Set up pandas
       uses: ./.github/actions/setup
@@ -147,7 +151,9 @@ jobs:
     steps:
 
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
 
     - name: Set up pandas
       uses: ./.github/actions/setup

.github/workflows/database.yml

@@ -56,10 +56,12 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
 
     - name: Cache conda
-      uses: actions/cache@v1
+      uses: actions/cache@v2
       env:
         CACHE_NUMBER: 0
       with:

.github/workflows/posix.yml

@@ -44,10 +44,12 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
 
     - name: Cache conda
-      uses: actions/cache@v1
+      uses: actions/cache@v2
       env:
         CACHE_NUMBER: 0
       with: